Ulpia Severina

Ulpia Severina (235-290) was Empress of the Roman Empire from 1 July to 25 September 275, succeeding Aurelian and preceding Tacitus.

Biography
Ulpia Severina was born in 235, the daughter of Ulpius Crinitus and a descendant of Roman emperor Trajan. She married Aurelian before he became emperor in 270, and she bore him a daughter during their marriage. When her husband died, she briefly reigned as the only reigning empress of the Roman Empire, ruling Rome from 1 July to 25 September 275. She ruled Rome during a brief interregnum, but Tacitus became emperor in September, and she died in 290 at the age of 55.